Inter. Ekster. El.
"Inter" means "between, among", or "amongst." It is largely used as a
prefix, as "interparoli", to converse; "internacia", international;
"interkonsento", agreement; "sin intermeti", to interfere.
"Ekster" means "out of, outside", as "ekster dangxero", out of danger.
It is used as a prefix, as "eksterordinara", extraordinary.
"El" means "out of". It applies (i.) to "place", signifying motion from,
as, "Mi eliris el la domo", I went out of the house. (ii.). "Chosen from
among", as, "Unu el miaj infanoj", One of (from among) my children.
(iii.). "Made out of", as, "Tiu cxi sxtofo estas farita el lano", This
cloth is made (out) of wool. "El" is used as a prefix, and means "out,
outright", or "thoroughly", as, "Elfosi", to dig out; "Ellerni", to
learn thoroughly.